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The first known calculator, was invented in Babylonia
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Liang Ling-Can invents the first fully mechanical clock
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Invented by Wilhelm Schickard
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The Analytical Engine was invented by Charles Babbage
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The Comptometer is an invention of Dorr E. Felt which is operated by pressing keys
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George Stibitz develops the Complex Number Calculator - a foundation for digital computers
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The first electronic computer is created in Japan by Hideo Yamachito.
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Altair produces the first portable computer
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Apple introduces the Macintosh with mouse and window interface
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Ipod introduced by apple and revolutionizing music
